Is it just multiple threads?  It might be interesting to try iperf 2.0.13
and the -P 8 option.

Bob

On Thu, May 30, 2019 at 10:04 AM Jeffrey Lane <j...@canonical.com> wrote:

> I've been working on this a bit and the only way to get it was to run
> multiple iperf3 threads. To do this, you have to set up several (we do
> about 8 threads for 100Gb, possibly 10) on the target (listening to
> different ports) and then run to client instances (one for each port),
> then aggregate the results for each, and that nets in the 92-97Gb/s
> range overall.
>
> Additionally, in some cases tweaks are necessary (jumbo frames, some
> kernel tweaks, driver tweaks, etc) but that's all case-by-case.
>
> And it is very much constrained by CPU and PCIe bandwidth.
>
>
> On Thu, May 30, 2019 at 12:38 PM Chris Preimesberger <ccpi...@gmail.com>
> wrote:
> >
> > I tried and got up to 87Gbps throughput.  The results were CPU bound.  I
> want to build new i7 9900K PCs and re-test.  Here's a video of my attempt:
> >
> > https://youtu.be/uh2zvaaH0hc
> >
> >
> >
> > On Thu, May 30, 2019, 3:08 AM Ashwajit Bhoutkar <bhout...@gmail.com>
> wrote:
> >>
> >> Hi,
> >>
> >> Just wanted to check whether it is possible to test the throughput of
> 100G link using iPerf.
> >>
> >>
> >> Thank You,
> >>
> >> Kind Regards,
> >> Ashwajit
> >> _______________________________________________
> >> Iperf-users mailing list
> >> Iperf-users@lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/iperf-users
> >
> > _______________________________________________
> > Iperf-users mailing list
> > Iperf-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/iperf-users
>
>
>
> --
> Jeff Lane
> Engineering Manager
> IHV/OEM Alliances and Server Certification
>
> "Entropy isn't what it used to be."
>
>
> _______________________________________________
> Iperf-users mailing list
> Iperf-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/iperf-users
>
_______________________________________________
Iperf-users mailing list
Iperf-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/iperf-users

Reply via email to